49results about How to "Efficient pooling" patented technology

The invention provides a wave energy comprehensively harvesting and conversion power generation device. Kinetic energy and potential energy of wave energy can be comprehensively utilized to form accelerated speed to sea water in a division pipe and improve power generation efficiency of wave power generation. The power generation device comprises a flexible floating type hollow sea wave division pipe, a wave accepting port is formed in one end of the sea wave division pipe, and a power generating and converting device is arranged at the other end of the sea wave division pipe, namely the tail end. The power generation device further comprises one or more water flow propelling devices enabling the sea water flowing into the sea wave division pipe to flow to the tail end, and floating devices are further arranged on the water flow propelling devices and / or the sea wave division pipe.

The invention discloses a wax collection device with built-in porous foam metal of a gradient structure, and belongs to the technical field of powder metallurgy. The wax collection device with the built-in porous foam metal of the gradient structure comprises a vertical or horizontal metal cylinder, wherein an outer shell of the metal cylinder is wrapped with a water jacket; the porous foam metal of the gradient structure is arranged inside the metal cylinder; the side walls of the metal cylinder are provided with an air inlet and an air outlet; a wax drainage port is formed in the side wall of the bottom of the cylinder; a water inlet is formed in the side wall of the lower portion of the water jacket; a water outlet is formed in the side wall of the upper portion of the water jacket. By the utilization of the characteristics of good heat conduction performance and good gas retardation performance of the porous foam metal of the gradient structure, the wax collection device can enable heat energy of furnace gas guided into the wax collection device to be rapidly diffused into the water jacket with cooling circulating water, and gas wax and other organic forming agents condense to be liquid wax; as the porous foam metal of which the hole diameter is arranged in a gradient mode is high in through-hole rate and porosity and good in gas and liquid permeability, the wax can be gathered to be the organic forming agents effectively, and the collection rate of the organic forming agents of the wax collection device is greater than or equal to 98%.

The invention discloses a tunnel combined-type lining structure with a maintainable drainage passage. The structure includes an arch wall lining, the lower end of the arch wall lining is connected with a an inverted arch lining, an upper bearing arch structure is erected on the inverted arch lining, and the drainage passage is positioned between the inverted arch lining and the upper bearing archstructure; the upper bearing arch structure is filled with an upper arch padding layer, and an inspection well is formed in the upper bearing arch structure and the padding layer. The structure can solve the problem that the tunnel design in the prior art cannot achieve the capability of draining and guiding a large amount of underground water in a short time; the tunnel combined-type lining structure is reasonable in structure and high in reliability.

The invention discloses an anti-fouling dining table board, in particular to the field of dining table boards, comprising a bottom plate, a leakage mechanism is arranged at the bottom of the bottom plate; A plurality of leakage openings are arranged on the surface of the groove, and connecting rods are arranged in the interior of the plurality of sealing plates. One end of the adjusting rod is fixedly provided with a pressing block, the bottom of the adjusting rod is fixedly provided with a lower pressing block, the bottom of the lower pressing block is fixedly provided with a spring, and the bottom of the spring is provided with a surrounding plate shell. By setting the leakage mechanism, the present invention can effectively collect the spilled soup or beverage, and it is convenient to use the cleaning agent and water to mix the bottom plate to scrub the bottom plate, and then press the button to guide the cleaned sewage to the receiving material. Inside the shell, the overall cleaning convenience is improved, and it is difficult to clean with water during cleaning.

A heating cooker is provided. A heating cooker (1) includes a main body (3) having a heating chamber (31) and a front frame (33) provided around an opening (31a) of the heating chamber (31) and having an opening. It also has: a door that can be opened and closed to cover the opening (31a) and installed on the main body; a water receiving part (5) that is extended in the width direction below the opening (31a) and received by the front frame The water flowing down from the front surface (33a) of the front surface (33a); the tray (7), which can be disassembled relative to the main body (3), is arranged under the water receiving part (5), and accommodates the water received by the water receiving part (5). The water receiving part (5) is arranged on the front surface (33a) of the front frame (33) in the manner of covering at least a part of the lower edge of the front frame (33), and guides water from the front surface (33a) of the front frame to the tray (7). Thereby, the heating cooker which collects water efficiently in a tray can be provided.

The invention discloses a mini fan, which comprises a substrate, a stator, a rotor, a sealing magnetic sheet and a permanent magnet. The stator is arranged in the substrate; the rotor is provided with an axial seat of which the peripheral face is provided with a plurality of blades; the sealing magnetic sheet is provided with a first combining surface and a second combining surface; the first combining surface of the sealing magnetic sheet combines with hemlines of each blade; and the permanent magnet combines with the second combining surface of the sealing magnetic sheet and is opposite to the stator. Thus, the overall volume of the mini fan can be reduced effectively without reducing the amount of air output.

The invention discloses a cultivation method for perennial rice. The perennial rice variety with strong perenniality and stable yield is selected for dry seedling cultivation; transplanted into the paddy field, and the paddy field is managed with fertilization and controlled water drying; Water-dried field, the field is not flooded and the relative soil humidity is 35% to 55%. Apply root-preserving and germination-promoting fertilizer within 20 to 25 days after earing; when harvesting perennial rice in the one-season rice area, keep rice piles of 15cm to 25cm for overwintering ; In the double-cropping rice area, when the early rice harvests the perennial rice, keep the rice pile 2cm to 5cm for late rice production, and when the late rice harvests the perennial rice, keep the rice pile 15cm to 25cm for overwintering; Keep 2cm to 5cm of rice piles; before the perennial rice enters the overwintering period, sow intercropping crops around the rice piles of perennial rice. The method increases the yield of perennial rice through fertilization while taking into account the quality of the rice. The reserved rice piles provide sufficient nutrition for winter axillary bud dormancy, and intercropping with other crops during the overwintering period improves the survival rate of the rice piles and increases planting benefits.

The invention relates to an environmental protection monitoring device capable of concentrating light and detecting dust content, comprising a base and a deodorizing mechanism, a humidifying mechanism is installed on the upper end of the base, the deodorizing mechanism is located at the upper end of the The upper end of the mechanism is connected with a main seat, a storage battery is installed inside the deodorizing mechanism, a purification mechanism is installed on the outer surface of the main seat, a monitoring mechanism is arranged above the main seat, and one end of the monitoring mechanism is installed with a rotating mechanism, and a dust detector is connected to the rear end of the rotating mechanism. The beneficial effects of the present invention are: the environmental protection monitoring device capable of concentrating light and detecting dust content is provided with a bearing, a rotating shaft and a rotating motor, and through the function of the XY rotating motor, the rotating shaft can be driven to rotate, and then the connected The dust detector rotates, and through the function of the bearing, it is ensured that it is connected without affecting its rotation. The dust detector can detect dust in multi-directional spaces.

The invention provides a construction method of a pre-impregnated water dynamic compaction method for engineering foundations, comprising the following steps: step 1, determining the construction scope, and measuring the thickness of the sand filling; step 2, determining the location of the construction scope for laying a plastic drainage board and quantity, and determine the depth of the plastic drainage board; Step 3, lay out the plastic drainage board, and vibrate and drain the sand-filled foundation through a conventional vibrator; Spray water with a preset amount of water within the construction scope of the sand-filled foundation to maintain the preset moisture content, and then perform dynamic compaction through the pre-impregnated water compactor equipment. Spray on the ramming point at a fixed point to ensure no dust; Step 5, check the bearing capacity and liquefaction resistance of the foundation. The invention effectively solves the problems that the surface layer of the existing blowing and filling sand foundation is difficult to be compacted during the treatment process, which affects the construction quality of dynamic compaction and subsequent vibratory rolling, and pollutes the environment.

The invention provides a method for preventing and controlling water and soil loss in arid and semi-arid areas by using garden plants, comprising the following steps: step 1): using the landform environment, the area with gullies in the landform is sorted out, and a water storage tank is opened at the bottom of the gully, Along both sides of the water storage tank, arrange the steep slopes into terraces or gentle slopes, step 2): arrange outwards along the terraces or gentle slopes into slopes less than 3°, step 3) introduce irrigation canals, and irrigate the aquifer, requiring water to leach out the medium soil Keep it for 6-12 hours to ensure that the water infiltrates from the inclined holes to the terraces or gentle slopes until it is saturated; step 4) plant lawns and vines on the medium soil layer, pay attention to maintenance for 3-6 cycles, each cycle Pour appropriate amount of water to slopes, terraces or gentle slopes, and culture medium soil layer, and the time of each cycle is 20 to 40 days. During the maintenance period, the dead seedlings are replenished in time. Step 5) carries out normal maintenance, every 50 to 70 days Carry out sequential maintenance until 2 years after the expiration, forming a natural environment cycle maintenance.